Wealth is often times passed down from generation to generation, further proving that some people are simply blessed by being born into certain homes. This week Bloomberg has shared its latest breakdown of family fortunes, disclosing that the world's 25 richest families are worth more than $1 trillion USD.

When it comes to individual family sums, Bloomberg points out, however, that some calculations are likely lowballed, seeing as a number of fortunes are too diffuse to value.

"The nature of many dynastic fortunes — backed by decades and sometimes centuries of assets and dividends — can obfuscate the true extent of their holdings," says Bloomberg. "Clans whose source of wealth is currently unverifiable or derives primarily from the state, such as the sprawling House of Saud, are also absent."

In addition, first-generation fortunes are excluded, as well as those with a lone heir. Nonetheless, below you can find the top 10 richest families in the world, then follow on over to Bloomberg for a more detailed look, including the remaining clans.

1. Walton of Walmart, $151.5 billion USD 2. Koch of Koch Industries, $98.7 billion USD 3. Mars of Mars, $89.7 billion USD 4. Van Damme, De Spoelberch, De Mevius of Anheuser-Busch InBev, $54.1 billion USD 5. Dumas of Hermes, $49.2 billion USD 6. Wertheimer of Chanel, $45.6 billion USD 7. Ambani of Reliance Industries, $43.4 billion USD 8. Quandt of BMW, $42.7 billion USD 9. Cargill, Macmillan of Cargill, $42.3 billion USD 10. Boehringer, Von Baumbach of Boehringer Ingelheim, $42.2 billion USD

In other global news, Canada has voted to legalize recreational marijuana use.

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